/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

package com.zmops.zeus.iot.server.health.checker.provider;

import com.google.common.util.concurrent.AtomicDouble;
import com.zmops.zeus.server.library.module.Service;
import lombok.Getter;
import lombok.RequiredArgsConstructor;
import lombok.Setter;

import java.util.concurrent.atomic.AtomicReference;

@RequiredArgsConstructor
public class HealthQueryService implements Service {
    private final AtomicDouble score;
    private final AtomicReference<String> details;

    public HealthStatus checkHealth() {
        HealthStatus s = new HealthStatus();
        s.setScore(score.intValue());
        s.setDetails(details.get());
        return s;
    }


    @Getter
    @Setter
    static class HealthStatus {
        // score == 0 means healthy, otherwise it's unhealthy.
        private int score;
        private String details;
    }
}
